2775493

Information

• Patent Grant
• 2775493

• References
• Source

• Patent Number

  2,775,493

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1956
  68 years ago

• CPC

  • B22D19/0027 - pistons
  • Y10T29/49258 - with thermal barrier or heat flow provision

• US Classifications

  • 092 - Expansible chamber devices
  • 029 - Metal working
  • 123 - Internal-combustion engines